Yes, if you have the correct width and back spacing. You will need a tire with a lower profile (sidewall height tire) to maintain tire diameter/height, or your speedometer will be inaccurate.
In some cases yes. depending on the size of caliper and rotor that the car has.
no but you can put 15 inch rims on the car as long as the bolt pattern is the same
You would have 16 inch wheels and tires.
The steering wheel is used to aim the car in the direction that you want to go. Simply put, it is used to steer the car.
Hub caps?
As long as their the right size.
It depends on the year of the car and the year of the wheel. Also whether it is a rear wheel or front wheel drive. It depends on the rear of the wheel and the year of the car. Also whether it was a front wheel or rear wheel drive.
A person removes the steering wheel with a steering wheel puller, after removing the airbag to the car. Then they put the new steering wheel on the car, after aligning it correctly.
To change the a wheel assembly on a car: 1. Loosen the lug nuts. 2. Raise the car as required and put on a stand. 3. Finish taking off the lug nuts. 4. Remove the wheel and put the replacement wheel in place. 5. Put the lug nuts back on, remove the stand and lower the car. 6. Tighten the lug nuts.
Question is too vague What year and what is the OE size? Do you want wider or taller?
Yes, one can put a new steering wheel and column in a car. If it is a DIY project, one must be very careful to reconnect everything carefully so the steering column does not jam.
Lift the car on a jack, remove the wheel, the brake shoe and disk. Next put on the new brake disc, put the brake shoe where it belongs, put the wheel back on and lower the car to the ground.